波纹管和燃气表阀门怎么安装

波纹管和燃气表阀门怎么安装
2025-03-26 15:42:37
推荐回答(1个)
回答1:

 
  (一)安装高度
  1、流量≤3m3/h民用户
  A、高位表距地面≥1.8米
  B、中位表距地面1.4—1.7米
  C、低位表距地面为0.1米
  居民用户流量表宜高中表为宜。多表挂在同一墙面时,表与表之间的净距应大
  0.15米,表正前方一般应留有不小于1米的空间。
  2、流量3—5米3/h皮膜式表可装在地上,也可装在墙壁上。表盘中心距地1.4米为宜,应装表托架。
  3、流量≥57米3/h,应安装在地面的砖台上,砖台高10—20厘米,不准将煤气表挂在墙上。
  (二)最小水平投影净距
  1、与砖砌烟囱0.3米
  2、与金属烟囱0.6米
  3、与低压电器1.0米
  4、与家庭灶0.3米
  5、与食堂灶0.7米
  6、与开水炉1.5米
  (三)质量要求
  为确保计量准确和使用寿命
  1、煤气表安装要求横平竖直,不得倾斜,表的垂直偏差不超过1厘米,表下应设支托,不得产生额外的应力。
  2、煤气表的进出口管道应用钢管或铅管,丝口连接要严密,铅管弯曲后成圆弧形,保护铅的口径,使之不产生凹痕,表前水平支管坡向立管,表后水平支管坡向灶具。
  3、低位表接灶水平支管的活动接头不等设在灶板内。
  4、注意表向,防止装错方向;橡胶圈不得扭曲变形,要放稳贴平,防止漏气。
  5、流量≥57米3/h的煤气表应设旁通管,并安装旁通阀,距地面2米左右。

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